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Finding the Fourth Proportional to 448,161, 618,475.14 and 246,969.96

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Solution

The fourth proportional to 448,161, 618,475.14 and 246,969.96 is: 340,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,161 : 618,475.14 = 246,969.96 : x
  2. Step 2: Convert to fraction form
    448,161/618,475.14 = 246,969.96/x
  3. Step 3: Cross multiply
    448,161x = 618,475.14 × 246,969.96
  4. Step 4: Simplify right side
    448,161x = 152,744,780,586.79
  5. Step 5: Solve for x
    x = 152,744,780,586.79/448,161
  6. Step 6: Final answer
    x = 340,825.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.